My article on GPO (Grupo de Profissionais Oracle) Portal

GPO (Group Oracle Professionals) - The greater Oracle community in Brazil. GPO portal is a comprehensive portal implemented with various technologies and various topics on Oracle Technologies.
GPO (Grupo de Profissionais Oracle) Portal : http://www.profissionaloracle.com.br/gpo


My article published on GPO (Group Oracle Professionals) portal. 
And it is my GPO profile :  (more...)

Oracle Database 12c: What happens during CDB startup if one the PDB has a media problem? – Continue

During Oracle Day 2014  (February 05, 2014, which was held in Baku/Azerbaijan), I met with my friends and had a conversation about several topics.

I asked to my friend Teymur Hajiyev, what happens during CDB startup if one the PDB has a media problem? He said, CDB must open without a problem. But you need to open PDBs manually. In other words, by default PDBs in mount mode, you need call alter pluggable databases all (more...)

Installation and configuration Patch 17552800 – 12.1.0.1.2 Patch Set Update

Hi,

Patch 17552800 - 12.1.0.1.2 Database Patch Set Update released: January 14, 2014. You can download this PSU  from Oracle My Support. I will show short steps installation and configuration this PSU.

1. Download this patch set zip file from support web site and copy to database server.

My Oracle Support

[oracle@oel62-ora12c PSU1]$ pwd
/tmp/oracle/PSU1
[oracle@oel62-ora12c PSU1]$ ls -l
total 67952
-rw-r--r-- 1 oracle oinstall 69580299 Feb 12 09:17 p17552800_121010_Linux-x86-64.zip
(more...)

Oracle ACE Newsletter January 2014

I saw my name in Oracle ACE Newsletter January 2014.

























It is first time, is my name in Oracle ACE Newsletter. I'm very glad.
Thanks to Oracle Technology Network (OTN).

Regards
Mahir M. Quluzade

OTN Article : Oracle Database 12c – Transporte de “Tablespaces” de “11.2.0.3” a “12.1” ( Parte III )

OTN (Oracle Technology Network) Spanish published our next article. Oracle Database 12c – Transporte de “Tablespaces” de “11.2.0.3” a “12.1” ( Parte III ) by Joel Perez (Oracle ACED) and Mahir M. Quluzade (OCE)

 (Published : January 2014)








You can read article from : http://www.oracle.com/technetwork/es/articles/database-performance/transporte-tablespace-11-a-12-part3-2111105-esa.html


Regards
Mahir M. Quluzade


OTN Article : Oracle Database 12c – “Cross Platform” Database Transport (Part II)

OTN (Oracle Technology Network) Portuguese published next part of article : Oracle Data Guard 12c – “Cross Platform” Database Transport (Part II) by authors Joel Perez (Oracle ACED), Rodrigo Mufalini (Oracle ACE) and Mahir M. Quluzade (OCE)








You can read article from: http://www.oracle.com/technetwork/pt/articles/database-performance/data-guard12c-cross-platform-parte2-2100280-ptb.html (in Portuguese)

My special thank to my friends Joel and Rodrigo for all support.

Regards
Mahir M. Quluzade

OTN Article : Oracle Database 12c: “Upgrade” a “Oracle Database 12c” ( Parte III )

OTN (Oracle Technology Network) Spanish published our next article. Oracle Database 12c: “Upgrade” a “Oracle Database 12c” ( Parte III ) by Joel Perez (Oracle ACED) and Mahir M. Quluzade (OCE) (Published : January 2014)








You can read our article from : http://www.oracle.com/technetwork/es/articles/database-performance/upgrade-database-12c-parte-3-2099475-esa.html (in Spanish)

Special thanks to my friend Joel (from Venezuela) for all support. 

Regards
Mahir M. Quluzade 

OTN Article : Oracle Data Guard 12c – “Cross Platform” Database Transport (Part I)

OTN (Oracle Technology Network) Portuguese published our next article :
 Oracle Data Guard 12c – “Cross Platform” Database Transport (Part I) by authors Joel Perez (Oracle ACED), Rodrigo Mufalini (Oracle ACE) and Mahir M. Quluzade (OCE)












You can read article from : http://www.oracle.com/technetwork/pt/articles/database-performance/data-guard12c-cross-platform-2098313-ptb.html  (in Portuguese language)

My special thank to my friends Joel and Rodrigo for all support.

Regards
Mahir M. Quluzade

AZEROUG I Hands-On Lab – Installation Oracle Database 11g on Oracle Linux 6.4

Azerbaijan Oracle User Group I Hands-On Lab / 21.12.2013 - Azercell Plaza, Baku, Azerbaijan
Installation Oracle Database 11g on Oracle Linux 6.4 (Video)







Regards
Mahir M. Quluzade

Oracle Day in Baku State University Took Place

Me with Ismail, Ramin and Samir
"Oracle Day in Baku State University" took place on 4th December 2013 at Applied Mathematics and Cybernetics faculty. There are 3 sector in Applied Mathematics and Cybernetics faculty so students study in English, Russian and Azerbaijani language. Therefore, organizer is divided meeting into 2 (more...)

Oracle Day in Baku State University – 4th December 2013


Are you a student of Baku State University ?
Do you want to know about Oracle Database ?
Do you want to listen presentations from the professionals ?

If the answers are YES then you have a big chance.

The event is free to attend, but just for Baku State University students.
The (more...)

Kitab incələmə: SQL asan yanaşma yolu (Genişləndirilmiş versiya)


(blog post in Azerbaijani)

Təqdimat mərasimi

Azərbaycan dilində informasiya texnologiyaları movzusunda yazılmış kitab çox azdır. Bu tip kitabların az olmasının ən böyük səbəbi İT sahəsinə aid rəsmi terminaloji tərcümənin olmamasıdır. Buna baxmayaraq son illərdə bir neçə texniki nəşrlə tanış olmaq imkanım olmuşdur. Bu kitablardan biri Samir Səmədov (OCM11g, www.ocm. (more...)

Book Review: Expert Oracle RAC 12c

As you know, the Oracle Database with the Oracle Real Application Clusters (RAC) option allows running multiple database instances on different servers in the cluster against a shared set of data files, also known as the database. The database spans multiple hardware systems and yet appears as a single unified (more...)

IEEE Day 2013 – Best 10 New Feature of Oracle Database 12c



Yesterday, I attended IEEE Day 2013 Baku, Azerbaijan conference at Qafqaz University. IEEE Day 2013 is important anniversary that engineers worldwide celebrate the first time when IEEE members gathered to share their technical ideas in 1884. It is fourth celebration worldwide and first in Azerbaijan take placed at the Qafqaz (more...)

OTN Article : Oracle Data Guard 12c: “Synchronous redo transport”

OTN (Oracle Technology Network) Portuguese published our article :
Oracle Data Guard 12c: “Synchronous redo transport” by authors Joel Perez (Oracle ACED), Rodrigo Mufalini (Oracle ACE) and me.










You can read article from : http://www.oracle.com/technetwork/pt/articles/database-performance/funcionalidades-data-guard-12c-2009045-ptb.html

My special thank to my friends Joel and Rodrigo for support.

Regards
Mahir M. Quluzade
 

Book Review : Oracle Data Guard 11gR2 Administration Beginner’s Guide



Just finished review of book "Oracle Data Guard 11gR2 Administration Beginner's Guide” by authors, my dear friends Emre Baransel and Nassyam Basha.

"Oracle Data Guard 11gR2 Administration Beginner's Guide” book is a good introduction to Oracle Data Guard 11g R2 with examples that will be useful to all DBA’s. It (more...)

Converting an Administrator-Managed Database to a Policy-Managed Database and vise versa.


Hi, 
Cluster database configuration can be Policy-Managed or Administrator-Managed. A Policy-Managed database is dynamic with instances managed automatically based on server pools for effective resource utilization. Admin-Managed database results in instances tied to specific servers.

When we create 11g Release 2 RAC database, on database configuration assistant’s 3 of 13 (more...)

Which device is mapped Oracle ASM disk?


Hi,

Yesterday Yuva Kishore is commented on my Oracleasm - Instantiating disk : failed post and asked a question: We can list the asm disks (listdisks) but where can we find the mapping that ASMDISK1 is mapped to /dev/sda1 and so on? 


I want answer this question with this (more...)

Oracle Data Guard 11g – Redo Transport User


Hi,

As you know when we create Data Guard Configuration, we must copy password file. Because SYS user is default redo transport user on Data Guard configurations. 

SYS password is changed on primary

When we change SYS password on primary database, redo transport service is stopping and we are (more...)

Cluvfy error : Framework setup check failed on all the nodes

Hi

As you know Oracle recommends  before installation Oracle Real Application Clusters 11g Release 2 run Cluster Verification utility with  stage previous and post installation cluster ware or database.

Cluster verification utility help you for getting error before and  after installation Oracle Grid Infrastructure and Real Application Clusters Database.

I getting following error : 

[grid@oel62-rac1 grid]$ ./runcluvfy.sh stage -pre crsinst -n oel62-rac1,oel62-rac2 –verbose
…..
Checking user equivalence...
Check: User equivalence for user "grid"
  Node Name                             Status                 
  ------------------------------------  ------------------------
  oel62-rac2                            passed                 
  oel62-rac1                            passed              
   
Result: User equivalence check passed for user "grid"

Verifying node (more...)